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Whoa: Last month ChatGPT drives more traffic to The Pragmatic Engineer blog than DuckDuckGo or Bing - and visitors read the page longer. It's still about 40x less than Google, though, but WOW what an increase! Google right to be worried in getting a search competitor?

Salesforce to acquire data management company Informatica in $8 billion deal cnbc.com/2025/05/27/sal… < interesting! Data cataloging and movement is a valuable asset nowadays

🚀 25× faster TPC-DS queries? Databricks’ Adaptive Query Execution (AQE) rewrites your Lakehouse plan while it’s running. Sprinkling Bloom filters, re-choosing join algos, elastic-merging shuffles, even splitting skewed partitions on the fly. The paper is a great introduction

#ICPE2025 Highlights. Marc Brooker's keynote 'Good #Performance for Bad Days' dived deep into complex system behavior - to areas that are usually not investigated by standard approaches. Summary blog post: brooker.co.za/blog/2025/05/2… Slides: brooker.co.za/blog/resources… ICPE 2025

Happy to share that Aurora DSQL is now Generally Available!

man-made horrors beyond your comprehension lie within the healthcare software world 1-3 letter function names no comments no types, implicit str <> int <> float conversions no operator precedence callee can mutate caller's local variables persistent global variables encouraged

I'm going through my old notes and bookmarks on observability from 2021-2023 none of this is relevant anymore

It’s worth paying attention to this announcement, even if you’re not using DuckDB - yet.

Tried the brand new DuckLake table format in multi-user mode with a free Neon - Serverless Postgres Postgres instance as catalog database, R2 as storage and DuckDB running multiple instances on Cloudflare Containers beta:

TIL: When using ANN index for vector search, there is no guarantee that you'll get the same results when running the same query multiple times on the same set of vectors. The result isn't just approximate, it is also non-deterministic.

New blog: Using Postgres pg_test_fsync tool for testing low latency writes An easy to use tool that comes with standard Postgres installation, for testing write latency of devices where you put your WAL/redo logs and any other files requiring low write latency. (link in reply)

Link here: tanelpoder.com/posts/using-pg…

Welcome to the age of $10/month Lakehouses! How to build and run a Lakehouse on top of Cloudflare R2 , Cloudflare Containers and Neon - Serverless Postgres Postgres, all backed by the new DuckLake "SQL as Lakehouse" format, via DuckDB. tobilg.com/the-age-of-10-…

What performance techniques make the most impact?